Examples with Certificate com.beanit.asn1bean.compiler.pkix1explicit88.Certificate used on opensource projects

Example 11 with Certificate

use of com.beanit.asn1bean.compiler.pkix1explicit88.Certificate in project snowflake-jdbc by snowflakedb.

the class SFTrustManager method getTrustManager.

/**
 * Get TrustManager for the algorithm. This is mainly used to get the JVM default trust manager
 * and cache all of the root CA.
 *
 * @param algorithm algorithm.
 * @return TrustManager object.
 */
private X509TrustManager getTrustManager(String algorithm) {
    try {
        TrustManagerFactory factory = TrustManagerFactory.getInstance(algorithm);
        factory.init((KeyStore) null);
        X509TrustManager ret = null;
        for (TrustManager tm : factory.getTrustManagers()) {
            // Manager here.
            if (tm instanceof X509TrustManager) {
                ret = (X509TrustManager) tm;
                break;
            }
        }
        if (ret == null) {
            return null;
        }
        synchronized (ROOT_CA_LOCK) {
            // cache root CA certificates for later use.
            if (ROOT_CA.isEmpty()) {
                for (X509Certificate cert : ret.getAcceptedIssuers()) {
                    Certificate bcCert = Certificate.getInstance(cert.getEncoded());
                    ROOT_CA.put(bcCert.getSubject().hashCode(), bcCert);
                }
            }
        }
        return ret;
    } catch (NoSuchAlgorithmException | KeyStoreException | CertificateEncodingException ex) {
        throw new SSLInitializationException(ex.getMessage(), ex);
    }
}

Example 12 with Certificate

use of com.beanit.asn1bean.compiler.pkix1explicit88.Certificate in project snowflake-jdbc by snowflakedb.

the class SFTrustManager method getPairIssuerSubject.

/**
 * Creates a pair of Issuer and Subject certificates
 *
 * @param bcChain a list of bouncy castle Certificate
 * @return a list of paif of Issuer and Subject certificates
 */
private List<SFPair<Certificate, Certificate>> getPairIssuerSubject(List<Certificate> bcChain) throws CertificateException {
    List<SFPair<Certificate, Certificate>> pairIssuerSubject = new ArrayList<>();
    for (int i = 0, len = bcChain.size(); i < len; ++i) {
        Certificate bcCert = bcChain.get(i);
        if (bcCert.getIssuer().equals(bcCert.getSubject())) {
            // skipping ROOT CA
            continue;
        }
        if (i < len - 1) {
            pairIssuerSubject.add(SFPair.of(bcChain.get(i + 1), bcChain.get(i)));
        } else {
            // no root CA certificate is attached in the certificate chain, so
            // getting one from the root CA from JVM.
            Certificate issuer = ROOT_CA.get(bcCert.getIssuer().hashCode());
            if (issuer == null) {
                throw new CertificateException("Failed to find the root CA.", new SFOCSPException(OCSPErrorCode.NO_ROOTCA_FOUND, "Failed to find the root CA."));
            }
            pairIssuerSubject.add(SFPair.of(issuer, bcChain.get(i)));
        }
    }
    return pairIssuerSubject;
}

Example 13 with Certificate

use of com.beanit.asn1bean.compiler.pkix1explicit88.Certificate in project bitbreeds-webrtc by IIlllII.

the class CertUtil method getCertFingerPrint.

/**
 * @param alias alias
 * @param pass password
 * @param storePath path to keystore
 * @return sha-256 string based on cert in keystore
 */
public static String getCertFingerPrint(String storePath, String alias, String pass) {
    try {
        Certificate cert = DTLSUtils.loadCert(storePath, alias, pass);
        byte[] der = cert.getEncoded();
        MessageDigest md = MessageDigest.getInstance("SHA-256");
        byte[] dat = md.digest(der);
        String fingerprint = createFingerprintString(dat);
        logger.info("Local cert signature is {} ", fingerprint);
        return fingerprint;
    } catch (Exception e) {
        logger.error("Failed to create cert fingerprint from {}", storePath, e);
        throw new IllegalStateException("Loading certificate failed");
    }
}

Example 14 with Certificate

use of com.beanit.asn1bean.compiler.pkix1explicit88.Certificate in project apksig by venshine.

the class X509CertificateUtils method generateCertificates.

/**
 * Generates a {@code Collection} of {@code Certificate} objects from the encoded {@code
 * InputStream} using the provided {@code CertificateFactory}.
 *
 * @throws CertificateException if the InputStream cannot be decoded to zero or more valid
 *                              {@code Certificates} objects.
 */
public static Collection<? extends java.security.cert.Certificate> generateCertificates(InputStream in, CertificateFactory certFactory) throws CertificateException {
    // Since the InputStream is not guaranteed to support mark / reset operations first read it
    // into a byte array to allow using the BER parser / DER encoder if it cannot be read by
    // the CertificateFactory.
    byte[] encodedCerts;
    try {
        encodedCerts = ByteStreams.toByteArray(in);
    } catch (IOException e) {
        throw new CertificateException("Failed to read the input stream", e);
    }
    try {
        return certFactory.generateCertificates(new ByteArrayInputStream(encodedCerts));
    } catch (CertificateException e) {
    // This could be expected if the certificates are encoded using a BER encoding that does
    // not use the minimum number of bytes to represent the length of the contents; attempt
    // to decode the certificates using the BER parser and re-encode using the DER encoder
    // below.
    }
    try {
        Collection<X509Certificate> certificates = new ArrayList<>(1);
        ByteBuffer encodedCertsBuffer = ByteBuffer.wrap(encodedCerts);
        while (encodedCertsBuffer.hasRemaining()) {
            ByteBuffer certBuffer = getNextDEREncodedCertificateBlock(encodedCertsBuffer);
            int startingPos = certBuffer.position();
            Certificate reencodedCert = Asn1BerParser.parse(certBuffer, Certificate.class);
            byte[] reencodedForm = Asn1DerEncoder.encode(reencodedCert);
            X509Certificate certificate = (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream(reencodedForm));
            byte[] originalEncoding = new byte[certBuffer.position() - startingPos];
            certBuffer.position(startingPos);
            certBuffer.get(originalEncoding);
            GuaranteedEncodedFormX509Certificate guaranteedEncodedCert = new GuaranteedEncodedFormX509Certificate(certificate, originalEncoding);
            certificates.add(guaranteedEncodedCert);
        }
        return certificates;
    } catch (Asn1DecodingException | Asn1EncodingException e) {
        throw new CertificateException("Failed to parse certificates", e);
    }
}

Example 15 with Certificate

use of com.beanit.asn1bean.compiler.pkix1explicit88.Certificate in project XobotOS by xamarin.

the class X509CertPathImpl method getInstance.

/**
     * Generates certification path object on the base of encoding provided via
     * input stream. The format of provided encoded form is specified by
     * parameter <code>encoding</code>.
     * @throws CertificateException if specified encoding form is not supported,
     * or some problems occurred during the decoding.
     */
public static X509CertPathImpl getInstance(InputStream in, String encoding) throws CertificateException {
    if (!encodings.contains(encoding)) {
        throw new CertificateException("Unsupported encoding");
    }
    try {
        if (encodingsArr[0].equals(encoding)) {
            // generate the object from PkiPath encoded form
            return (X509CertPathImpl) ASN1.decode(in);
        } else {
            // generate the object from PKCS #7 encoded form
            ContentInfo ci = (ContentInfo) ContentInfo.ASN1.decode(in);
            SignedData sd = ci.getSignedData();
            if (sd == null) {
                throw new CertificateException("Incorrect PKCS7 encoded form: missing signed data");
            }
            List<Certificate> certs = sd.getCertificates();
            if (certs == null) {
                // empty chain of certificates
                certs = new ArrayList<Certificate>();
            }
            List<X509CertImpl> result = new ArrayList<X509CertImpl>();
            for (Certificate cert : certs) {
                result.add(new X509CertImpl(cert));
            }
            return new X509CertPathImpl(result, PKCS7, ci.getEncoded());
        }
    } catch (IOException e) {
        throw new CertificateException("Incorrect encoded form: " + e.getMessage());
    }
}